Refactor GET and POST request handling in restapis.py

Refactor error handling and improve code comments.

Author: yukl-c

server/djangoapp/restapis.py

@@ -3,50 +3,51 @@
 import os
 from dotenv import load_dotenv
 
+# Load environment variables
 load_dotenv()
 
-backend_url = os.getenv(
-    'backend_url', default="http://localhost:3030")
+backend_url = os.getenv('backend_url', default="http://localhost:3030")
 sentiment_analyzer_url = os.getenv(
-    'sentiment_analyzer_url',
-    default="http://localhost:5050/")
+    'sentiment_analyzer_url', default="http://localhost:5050/"
+)
 
 
-# Add code for get requests to back end
+# Add code for GET requests to backend
 def get_request(endpoint, **kwargs):
     params = ""
-    if(kwargs):
-        for key,value in kwargs.items():
-            params=params+key+"="+value+"&"
+    if kwargs:
+        for key, value in kwargs.items():
+            params = params + key + "=" + value + "&"
 
-    request_url = backend_url+endpoint+"?"+params
+    request_url = backend_url + endpoint + "?" + params
+    print(f"GET from {request_url}")
 
-    print("GET from {} ".format(request_url))
     try:
         # Call get method of requests library with URL and parameters
         response = requests.get(request_url)
         return response.json()
-    except:
-        # If any error occurs
-        print("Network exception occurred")
+    except Exception as err:
+        # Handle network or JSON errors gracefully
+        print(f"Network exception occurred: {err}")
+
 
 def analyze_review_sentiments(text):
-    request_url = sentiment_analyzer_url+"analyze/"+text
+    request_url = sentiment_analyzer_url + "analyze/" + text
     try:
-        # Call get method of requests library with URL and parameters
         response = requests.get(request_url)
         print(response)
         return response.json()
     except Exception as err:
-        print(f"Unexpected {err=}, {type(err)=}")
+        print(f"Unexpected error: {err} ({type(err)})")
         print("Network exception occurred")
 
+
 # Add code for posting review
 def post_review(data_dict):
-    request_url = backend_url+"/insert_review"
+    request_url = backend_url + "/insert_review"
     try:
-        response = requests.post(request_url,json=data_dict)
+        response = requests.post(request_url, json=data_dict)
         print(response.json())
         return response.json()
-    except:
-        print("Network exception occurred")
+    except Exception as err:
+        print(f"Network exception occurred: {err}")